| Part Number | CD40257BPWG4 | CD40257BPWRG4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Multiplexer | Multiplexer | 
| Circuit | 4 x 1:2 | 4 x 1:2 | 
| Independent Circuits | 1 | 1 | 
| Current - Output High, Low | 6.8mA, 6.8mA | 6.8mA, 6.8mA | 
| Voltage Supply Source | Dual Supply | Dual Supply | 
| Voltage - Supply | 3V ~ 18V | 3V ~ 18V | 
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 16-TSSOP | 16-TSSOP |